Risk factors for neurosyphilis in HIV patients: A retrospective cohort study Beatriz Arns; Tarsila Vieceli; Eduardo Gomes; Mariana Horn Scherer; Luisa Nakashima; Maria Luisa Santos; Ronara Blos Hepp; Fernanda Greinert; Maria Helena Rigatto;

Survival analysis over a 20-year period of a Brazilian cohort of blood donors coinfected HIV-HCV Hélio Ranes de Menezes Filho; Giuliano Grandi; Ludimila Paula Vaz Cardoso; Juan Felipe Galvão da Silva; Soraia Mafra Machado; Cesar de Almeida-Neto; Ester Cerdeira Sabino; Maria Cássia Mendes-Corrêa;

Cohort study of hospitalized patients with COVID-19 at Brazilian tertiary-care hospital: Occurrence of adverse events and mortality Maitê Vasconcelos Luz; Julian Furtado Silva; Hugo Dugolin Ceccato; Paulo José de Souza Júnior; Pedro Maximink Villar; Paulo Roberto Araújo Mendes; Mariângela Ribeiro Resende; Mônica Corso Pereira; Lucieni Oliveira Conterno;